CN217328546U - High-pressure metal seal ball valve with anti-coking washing function - Google Patents
High-pressure metal seal ball valve with anti-coking washing function Download PDFInfo
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- CN217328546U CN217328546U CN202220213527.2U CN202220213527U CN217328546U CN 217328546 U CN217328546 U CN 217328546U CN 202220213527 U CN202220213527 U CN 202220213527U CN 217328546 U CN217328546 U CN 217328546U
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- valve
- coking
- flushing
- metal seal
- valve seat
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Abstract
The utility model belongs to the technical field of the ball valve technique and specifically relates to a high-pressure metal seal ball valve with anti-coking washing function. The utility model provides a high-pressure metal seal ball valve with anti-coking washes function, includes valve body, valve rod, spheroid, its characterized in that: the valve body in be equipped with the valve pocket, one side is equipped with the washing passageway one in the valve pocket, washing passageway one end of connecting washing pipeline one, the other end of washing pipeline is equipped with ooff valve, governing valve, flowmeter respectively, is located the valve pocket and is equipped with the spheroid, is equipped with the automatically cleaning disk seat between spheroid one side and the valve body, automatically cleaning disk seat one side is equipped with two ends of washing passageway, the two other ends of washing passageway are connected and are washed pipeline one. Compared with the prior art, can wash the ball valve in the use of ball valve, prevent that chemical from condensing, bond in the valve body behind the coking, need not to shut down and change the ball valve, improved production efficiency, reduced manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of the ball valve technique and specifically relates to a high-pressure metal seal ball valve with anti-coking washing function.
Background
In the use process of the ball valve in chemical reaction, catalyst particles and media are easy to condense and coke, so that a plurality of impurities are adhered to a valve cavity and a ball body of the ball valve, the valve body cannot normally work, and the valve body needs to be replaced for cleaning, so that the problems of high production cost and low production efficiency are caused.
Disclosure of Invention
The utility model discloses an overcome prior art not enough, provide a high-pressure metal seal ball valve with anti-coking washing function, can wash the ball valve in the use of ball valve, prevent that chemical from condensing, bond in the valve body behind the coking, need not to shut down and change the ball valve, improved production efficiency, reduced manufacturing cost.
In order to realize the purpose, the high-pressure metal seal ball valve with the anti-coking washing function is designed, and comprises a valve body, a valve rod and a ball body, and is characterized in that: the valve body in be equipped with the valve pocket, one side is equipped with the washing passageway one in the valve pocket, washing passageway one end of connecting washing pipeline one, the other end of washing pipeline is equipped with ooff valve, governing valve, flowmeter respectively, is located the valve pocket and is equipped with the spheroid, is equipped with the automatically cleaning disk seat between spheroid one side and the valve body, automatically cleaning disk seat one side is equipped with two ends of washing passageway, the two other ends of washing passageway are connected and are washed pipeline one.
And a third flushing channel is arranged on the other side in the valve cavity and is connected with a second flushing pipeline.
The self-cleaning valve seat comprises a first valve seat, a disc spring, a pressing ring, a graphite ring and a sealing ring, one end of the first valve seat is arranged on one side of the ball body, the other end of the first valve seat is connected with one end of the disc spring, the other end of the disc spring is connected with one end of the pressing ring, the other end of the pressing ring is connected with one end of the graphite ring, the other end of the graphite ring is connected with one end of the sealing ring, and the other end of the sealing ring is connected with the valve body.
And a scraper structure is arranged on one side of the first valve seat close to the ball body.
And a valve seat hole is formed in the valve body on the other side of the ball body, a valve seat II is arranged in the valve seat hole, and a pressing plate is arranged between the valve seat II and the ball body.
One side of the pressure plate is pressed on the second valve seat.
The spheroid both ends be equipped with the opening, the opening part is equipped with the breach that extends to the outside.
And a packing box is arranged between the upper part of the valve body and the valve rod, a packing pressing plate, packing and a packing pad are respectively arranged in the packing box from top to bottom, and the packing pressing plate is connected with the valve body through a second bolt.
And a valve sealing surface is arranged on the surface of one side of the first valve seat, which is close to the ball body, and a hard alloy layer is arranged on the valve sealing surface.
Compared with the prior art, the utility model, can wash the ball valve in the use of ball valve, prevent that chemical from condensing, bond in the valve body behind the coking, need not to shut down and change the ball valve, improved production efficiency, reduced manufacturing cost.
Drawings
Fig. 1 is a top sectional view of the present invention.
Fig. 2 is a front sectional view of the present invention.
Fig. 3 is a schematic view of the self-cleaning valve seat of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1 to 3, a valve cavity 2 is arranged in a valve body 1, a first flushing channel 2-1 is arranged on one side in the valve cavity 2, the first flushing channel 2-1 is connected with one end of a first flushing pipeline 2-2, the other end of the first flushing pipeline 2-2 is respectively provided with a switch valve 2-3, a regulating valve 2-4 and a flowmeter 2-5, a ball body 1 is arranged in the valve cavity 2, a self-cleaning valve seat 3 is arranged between one side of the ball body 4 and the valve body 1, one side of the self-cleaning valve seat 3 is provided with one end of a second flushing channel 2-6, and the other end of the second flushing channel 2-6 is connected with the first flushing pipeline 2-2.
The other side in the valve cavity 2 is provided with a flushing channel III 2-7, and the flushing channel III 2-7 is connected with a flushing pipeline II 2-8.
The self-cleaning valve seat 3 comprises a valve seat I3-1, a disc spring 3-2, a pressing ring 3-3, a graphite ring 3-4 and a sealing ring 3-5, one end of the valve seat I3-1 is arranged on one side of the ball 4, the other end of the valve seat I3-1 is connected with one end of the disc spring 3-2, the other end of the disc spring 3-2 is connected with one end of the pressing ring 3-3, the other end of the pressing ring 3-3 is connected with one end of the graphite ring 3-4, the other end of the graphite ring 3-4 is connected with one end of the sealing ring 3-5, and the other end of the sealing ring 3-5 is connected with the valve body 1.
And a scraper structure is arranged on one side of the valve seat I3-1 close to the ball 4. When the valve is used specifically, the edges of the valve seat I3-1, which are in contact with the ball body 4, can scrape the surface of the ball body 4 in the opening and closing processes of the valve body 1, remove surface bonding substances, and simultaneously prevent solid particles from entering the valve body 1 to influence the sealing performance of the valve.
A valve seat hole is arranged on the valve body 1 at the other side of the sphere 4, a valve seat II 5-1 is arranged in the valve seat hole, and a pressing plate 5-2 is arranged between the valve seat II 5-1 and the sphere 4. One side of the pressure plate 5-2 is pressed on the valve seat II 5-1 to prevent the valve seat II 5-1 from separating from the valve seat hole in the opening process of the valve. The pressure plate 5-2 is fixed on the valve body 1 through bolts.
Openings are arranged at two ends of the sphere 4, and notches 4-1 extending outwards are arranged at the openings. Since the ball 4 is opened and closed instantaneously, the high-speed fluid erodes and wears the ball 4 seriously. Therefore, the utility model is provided with a notch 4-1 extending outwards at the opening of the sphere, which changes the instantaneous contact line shape of the medium at the opening and closing of the sphere 4 into a surface shape, and reduces the scouring influence of the medium on the opening of the sphere 4.
A packing box is arranged between the upper part of the valve body 1 and the valve rod 6, a packing pressing plate 7-1, a packing 7-2 and a packing pad 7-3 are respectively arranged in the packing box from top to bottom, and the packing pressing plate 7-1 is connected with the valve body 1 through a second bolt 7-4.
When the valve seat is used specifically, the valve sealing surface 3-6 is arranged on the surface of one side, close to the sphere 4, of the valve seat I3-1, and a hard alloy layer is arranged on the valve sealing surface 3-6. When the valve body 1 is used specifically, the hard alloy layer with the hardness of more than HRC68 is selected, so that the corrosion, abrasion and erosion rates are reduced, and the service life of the valve body 1 is prolonged.
The utility model discloses during the use, highly compressed flushing oil is poured into in succession at the entry of flushing pipe 2-2, washes valve pocket and automatically cleaning disk seat, prevents that disc spring 3-2 that the coking caused from becoming invalid, leaking in the valve body 1, and valve pocket 2 and disk seat 3-1 coking influence spheroid 4 rotatory, increase the 6 moments of torsion of valve rod, the phenomenon of unable action even.
Claims (9)
1. The utility model provides a high-pressure metal seal ball valve with anti-coking washes function, includes valve body, valve rod, spheroid, its characterized in that: the automatic cleaning valve is characterized in that a valve cavity (2) is arranged in the valve body (1), a first flushing channel (2-1) is arranged on one side in the valve cavity (2), the first flushing channel (2-1) is connected with one end of a first flushing pipeline (2-2), a switch valve (2-3), a regulating valve (2-4) and a flowmeter (2-5) are respectively arranged at the other end of the first flushing pipeline (2-2), a ball body (4) is arranged in the valve cavity (2), a self-cleaning valve seat (3) is arranged between one side of the ball body (4) and the valve body (1), one end of a second flushing channel (2-6) is arranged on one side of the self-cleaning valve seat (3), and the other end of the second flushing channel (2-6) is connected with the first flushing pipeline (2-2).
2. The high-pressure metal seal ball valve with the anti-coking and flushing functions as claimed in claim 1, is characterized in that: a third flushing channel (2-7) is arranged on the other side in the valve cavity (2), and a second flushing pipeline (2-8) is connected to the third flushing channel (2-7).
3. The high-pressure metal seal ball valve with the anti-coking and flushing functions as claimed in claim 1, is characterized in that: the self-cleaning valve seat (3) comprises a valve seat I (3-1), a disc spring (3-2), a pressing ring (3-3), a graphite ring (3-4) and a sealing ring (3-5), one end of the valve seat I (3-1) is arranged on one side of the sphere (4), the other end of the valve seat I (3-1) is connected with one end of the disc spring (3-2), the other end of the disc spring (3-2) is connected with one end of the pressing ring (3-3), the other end of the pressing ring (3-3) is connected with one end of the graphite ring (3-4), the other end of the graphite ring (3-4) is connected with one end of the sealing ring (3-5), and the other end of the sealing ring (3-5) is connected with the valve body (1).
4. The high-pressure metal seal ball valve with the anti-coking and flushing functions as claimed in claim 3, is characterized in that: and a scraper structure is arranged on one side of the first valve seat (3-1) close to the ball body (4).
5. The high-pressure metal seal ball valve with the anti-coking and flushing functions as claimed in claim 1, is characterized in that: a valve seat hole is formed in the valve body (1) on the other side of the ball body (4), a valve seat II (5-1) is arranged in the valve seat hole, and a pressing plate (5-2) is arranged between the valve seat II (5-1) and the ball body (4).
6. The high-pressure metal seal ball valve with the anti-coking and flushing functions as claimed in claim 5, is characterized in that: one side of the pressure plate (5-2) is pressed on the second valve seat (5-1).
7. The high-pressure metal seal ball valve with the anti-coking and flushing functions as claimed in claim 1, is characterized in that: openings are arranged at two ends of the ball body (4), and notches (4-1) extending outwards are arranged at the openings.
8. The high-pressure metal seal ball valve with the anti-coking and flushing functions as claimed in claim 1, is characterized in that: and a packing box is arranged between the upper part of the valve body (1) and the valve rod (6), a packing pressing plate (7-1), a packing (7-2) and a packing pad (7-3) are respectively arranged in the packing box from top to bottom, and the packing pressing plate (7-1) is connected with the valve body (1) through a second bolt (7-4).
9. The high-pressure metal seal ball valve with the anti-coking and flushing functions as claimed in claim 3, is characterized in that: the valve sealing surface (3-6) is arranged on the surface of one side, close to the ball body (4), of the valve seat I (3-1), and a hard alloy layer is arranged on the valve sealing surface (3-6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220213527.2U CN217328546U (en) | 2022-01-26 | 2022-01-26 | High-pressure metal seal ball valve with anti-coking washing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220213527.2U CN217328546U (en) | 2022-01-26 | 2022-01-26 | High-pressure metal seal ball valve with anti-coking washing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217328546U true CN217328546U (en) | 2022-08-30 |
Family
ID=82995299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220213527.2U Active CN217328546U (en) | 2022-01-26 | 2022-01-26 | High-pressure metal seal ball valve with anti-coking washing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217328546U (en) |
-
2022
- 2022-01-26 CN CN202220213527.2U patent/CN217328546U/en active Active
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